Intent用法实例

àì夳堔傛蜴生んèń 2022-08-07 04:58 293阅读 0赞

Intent应该算是Android中特有的东西。你可以在Intent中指定程序要执行的动作（比如：view,edit,dial），以及程序执行到 该动作时所需要的资料。都指定好后，只要调用startActivity()，Android系统会自动寻找最符合你指定要求的应用程序，并执行该程序。

下面列出几种Intent的用法
显示网页:

  1. Uri uri = Uri.parse( “http://www.google.com“);
  2. Intent it = new Intent(Intent.ACTION_VIEW,uri);
  3. startActivity(it);

Java代码

  1. Uri uri = Uri.parse(“http://www.google.com“);
  2. Intent it = new Intent(Intent.ACTION_VIEW,uri);
  3. startActivity(it);

显示地图:

  1. Uri uri = Uri.parse( “geo:38.899533,-77.036476” );
  2. Intent it = new Intent(Intent.Action_VIEW,uri);
  3. startActivity(it);

Java代码

  1. Uri uri = Uri.parse(“geo:38.899533,-77.036476”);
  2. Intent it = new Intent(Intent.Action_VIEW,uri);
  3. startActivity(it);

路径规划:

  1. Uri uri = Uri.parse( “http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en”);
  3. Intent it = new Intent(Intent.ACTION_VIEW,URI);
  5. startActivity(it);

Java代码

  1. Uri
  2. uri = Uri.parse(“<a href=”http://maps.google.com/maps?f=d“
  3. target=”_blank”
  4. rel=”external”>http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en”);
  5. Intent
  6. it = new Intent(Intent.ACTION_VIEW,URI);
  7. startActivity(it);

拨打电话:
调用拨号程序

  1. Uri uri = Uri.parse( “tel:xxxxxx” );
  3. Intent it = new Intent(Intent.ACTION_DIAL, uri);
  5. startActivity(it);

Java代码

  1. Uri uri = Uri.parse(“tel:xxxxxx”);
  2. Intent it = new Intent(Intent.ACTION_DIAL, uri);
  3. startActivity(it);

  1. Uri uri = Uri.parse( “tel.xxxxxx” );
  3. Intent it =new Intent(Intent.ACTION_CALL,uri);
  5. 要使用这个必须在配置文件中加入

Java代码

  1. Uri uri = Uri.parse(“tel.xxxxxx”);
  2. Intent it =new Intent(Intent.ACTION_CALL,uri);
  3. 要使用这个必须在配置文件中加入

发送SMS/MMS
调用发送短信的程序

  1. Intent it = new Intent(Intent.ACTION_VIEW);
  3. it.putExtra(“sms_body” , “The SMS text” );
  5. it.setType(“vnd.android-dir/mms-sms” );
  7. startActivity(it);

Java代码

  1. Intent it = new Intent(Intent.ACTION_VIEW);
  2. it.putExtra(“sms_body”, “The SMS text”);
  3. it.setType(“vnd.android-dir/mms-sms”);
  4. startActivity(it);

发送短信

  1. Uri uri = Uri.parse( “smsto:0800000123” );
  3. Intent it = new Intent(Intent.ACTION_SENDTO, uri);
  5. it.putExtra(“sms_body” , “The SMS text” );
  7. startActivity(it);

Java代码

  1. Uri uri = Uri.parse(“smsto:0800000123”);
  2. Intent it = new Intent(Intent.ACTION_SENDTO, uri);
  3. it.putExtra(“sms_body”, “The SMS text”);
  4. startActivity(it);

发送彩信

  1. Uri uri = Uri.parse( “content://media/external/images/media/23” );
  3. Intent it = new Intent(Intent.ACTION_SEND);
  5. it.putExtra(“sms_body” , “some text” );
  7. it.putExtra(Intent.EXTRA_STREAM, uri);
  9. it.setType(“image/png” );
  11. startActivity(it);

Java代码

  1. Uri uri = Uri.parse(“content://media/external/images/media/23”);
  2. Intent it = new Intent(Intent.ACTION_SEND);
  3. it.putExtra(“sms_body”, “some text”);
  4. it.putExtra(Intent.EXTRA_STREAM, uri);
  5. it.setType(“image/png”);
  6. startActivity(it);

发送Email

  1. Uri uri = Uri.parse( “mailto:xxx@abc.com” );
  3. Intent it = new Intent(Intent.ACTION_SENDTO, uri);
  5. startActivity(it);

Java代码

  1. Uri uri = Uri.parse(“mailto:xxx@abc.com”);
  2. Intent it = new Intent(Intent.ACTION_SENDTO, uri);
  3. startActivity(it);
  1. Intent it = new Intent(Intent.ACTION_SEND);
  3. it.putExtra(Intent.EXTRA_EMAIL, “me@abc.com” );
  5. it.putExtra(Intent.EXTRA_TEXT, “The email body text” );
  7. it.setType(“text/plain” );
  9. startActivity(Intent.createChooser(it, “Choose Email Client” ));

Java代码

  1. Intent it = new Intent(Intent.ACTION_SEND);
  2. it.putExtra(Intent.EXTRA_EMAIL, “me@abc.com”);
  3. it.putExtra(Intent.EXTRA_TEXT, “The email body text”);
  4. it.setType(“text/plain”);
  5. startActivity(Intent.createChooser(it, “Choose Email Client”));

  1. Intent it= new Intent(Intent.ACTION_SEND);
  3. String[] tos={ “me@abc.com” };
  5. String[] ccs={ “you@abc.com” };
  7. it.putExtra(Intent.EXTRA_EMAIL, tos);
  9. it.putExtra(Intent.EXTRA_CC, ccs);
  11. it.putExtra(Intent.EXTRA_TEXT, “The email body text” );
  13. it.putExtra(Intent.EXTRA_SUBJECT, “The email subject text” );
  15. it.setType(“message/rfc822” );
  17. startActivity(Intent.createChooser(it, “Choose Email Client” ));

Java代码

  1. Intent it=new Intent(Intent.ACTION_SEND);
  2. String[] tos={ “me@abc.com”};
  3. String[] ccs={ “you@abc.com”};
  4. it.putExtra(Intent.EXTRA_EMAIL, tos);
  5. it.putExtra(Intent.EXTRA_CC, ccs);
  6. it.putExtra(Intent.EXTRA_TEXT, “The email body text”);
  7. it.putExtra(Intent.EXTRA_SUBJECT, “The email subject text”);
  8. it.setType(“message/rfc822”);
  9. startActivity(Intent.createChooser(it, “Choose Email Client”));

添加附件

  1. Intent it = new Intent(Intent.ACTION_SEND);
  3. it.putExtra(Intent.EXTRA_SUBJECT, “The email subject text” );
  5. it.putExtra(Intent.EXTRA_STREAM, “file:///sdcard/mysong.mp3” );
  7. sendIntent.setType(“audio/mp3” );
  9. startActivity(Intent.createChooser(it, “Choose Email Client” ));

Java代码

  1. Intent it = new Intent(Intent.ACTION_SEND);
  2. it.putExtra(Intent.EXTRA_SUBJECT, “The email subject text”);
  3. it.putExtra(Intent.EXTRA_STREAM, “file:///sdcard/mysong.mp3”);
  4. sendIntent.setType(“audio/mp3”);
  5. startActivity(Intent.createChooser(it, “Choose Email Client”));

播放多媒体

  1. Intent it = new Intent(Intent.ACTION_VIEW);
  3. Uri uri = Uri.parse(“file:///sdcard/song.mp3” );
  5. it.setDataAndType(uri, “audio/mp3” );
  7. startActivity(it);

Java代码

  1. Intent it = new Intent(Intent.ACTION_VIEW);
  2. Uri uri = Uri.parse(“file:///sdcard/song.mp3”);
  3. it.setDataAndType(uri, “audio/mp3”);
  4. startActivity(it);
  1. Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, “1” );
  3. Intent it = new Intent(Intent.ACTION_VIEW, uri);
  5. startActivity(it);

Java代码

  1. Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, “1”);
  2. Intent it = new Intent(Intent.ACTION_VIEW, uri);
  3. startActivity(it);

Uninstall 程序

  1. Uri uri = Uri.fromParts( “package” , strPackageName, null );
  3. Intent it = new Intent(Intent.ACTION_Delete, uri);
  5. startActivity(it);

Java代码

  1. Uri uri = Uri.fromParts(“package”, strPackageName, null);
  2. Intent it = new Intent(Intent.ACTION_Delete, uri);
  3. startActivity(it);

uninstall apk

  1. Uri uninstallUri = Uri.fromParts( “package” , “xxx” , null );
  2. returnIt = new Intent(Intent.ACTION_Delete, uninstallUri);

Java代码

  1. Uri uninstallUri = Uri.fromParts(“package”, “xxx”, null);
  2. returnIt = new Intent(Intent.ACTION_Delete, uninstallUri);

install apk

  1. Uri installUri = Uri.fromParts( “package” , “xxx” , null );
  2. returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);

Java代码

  1. Uri installUri = Uri.fromParts(“package”, “xxx”, null);
  2. returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);

play audio

  1. Uri playUri = Uri.parse( “file:///sdcard/download/everything.mp3” );
  2. returnIt = new Intent(Intent.ACTION_VIEW, playUri);

Java代码

  1. Uri playUri = Uri.parse(“file:///sdcard/download/everything.mp3”);
  2. returnIt = new Intent(Intent.ACTION_VIEW, playUri);

发送附件

  1. Intent it = new Intent(Intent.ACTION_SEND);
  3. it.putExtra(Intent.EXTRA_SUBJECT, “The email subject text” );
  5. it.putExtra(Intent.EXTRA_STREAM, “file:///sdcard/eoe.mp3” );
  7. sendIntent.setType(“audio/mp3” );
  9. startActivity(Intent.createChooser(it, “Choose Email Client” ));

Java代码

  1. Intent it = new Intent(Intent.ACTION_SEND);
  2. it.putExtra(Intent.EXTRA_SUBJECT, “The email subject text”);
  3. it.putExtra(Intent.EXTRA_STREAM, “file:///sdcard/eoe.mp3”);
  4. sendIntent.setType(“audio/mp3”);
  5. startActivity(Intent.createChooser(it, “Choose Email Client”));

Market相关：

  1. //搜索应用
  3. Uri uri = Uri.parse(“market://search?q=pname:pkg_name” );
  5. Intent it = new Intent(Intent.ACTION_VIEW, uri);
  7. startActivity(it);
  9. //where pkg_name is the full package path for an application
  13. //显示指定应用的详细页面（这个好像不支持了，找不到app_id）
  15. Uri uri = Uri.parse(“market://details?id=app_id” );
  17. Intent it = new Intent(Intent.ACTION_VIEW, uri);
  19. startActivity(it);
  21. //where app_id is the application ID, find the ID
  23. //by clicking on your application on Market home
  25. //page, and notice the ID from the address bar

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